Abstract:

One factor causing water quality degradation both for surface water and
groundwater leachate that will Sitrate into the ground and conhmhak the
groundwater. Considering that health groundwater is very important to support
human life, solid waste disposal should be managed properly so that it will not
disturb hydrology system in and around M disposal area. Therefore, research on
the impact of the existence of final disposal to groundwater quality is urgent to be
implemented.
Research objectives are to identify groundwater flow pattern, to identify type
and pattern of impact distribution of leachate contamination, and to review
correlation ktween pollutant distances towards groundwater substance contents.
Hydrogeology method was used to obtain infodon on surface hydrology,
geology and hydrology of groundwater. Statistical technique was also used to obtain
Con tamination Index, Evaluation Status of Water Quality and correlation of pollutant
distances towards water quality content.
Research muits indicated that location used for Galuga hd waste disposal
has god &all catchments. Identification of general flow-pattern for North-South
direction showed centralized form generating basin pattern and it is called as
"Galuga groundwater basin" at 1% m above sea level elevation. Leachate was
identified as the main pollutant with Pollutant Index of 180% and 200%. Result h m
the calculation of Water Quality Evaluation System showed at scale 1, meaning that
contamination level in the grounwater is low. It was scientifically proven with
negative correlation of monitoring well distance to pollutant with content of pollutant
substance in the groundwater.
This research concluded that Galuga groundwater basin is permanently
polluted area at the elevation level of 196 m above sea level.